
\chapter*{ }

\newenvironment{acknowledgements} {\pagestyle{empty}   \begin{center} 
%\vspace*{1.5cm} 
{\Large \bfseries Acknowledgements} \end{center} 
%\vspace{0.5cm} 
\begin{quote}} {\end{quote} }

\begin{acknowledgements} 



\begin{doublespace}
 







I would like to express my gratitude to my thesis advisor Prof. Xinheng
Wang for his careful guidance and his valuable comments; his patience
and the constructive criticism helped me to organize many concepts
in a frame. His encouragement has been invaluable. thank you so much
Henry!

I would also like to thank Prof. Choi for his insightful comments
their suggestions contributed to board my view of the distributed
information system and the distributed consensus problem. Thank you
for your help and encouragement.

 

Thanks to my colleagues Frank Liu, Tommy To, Laurie Hughes, John Li.

 

At last, I would like to sincerely thank my parents, for their encouragement
and support during all phases of this work.
\end{doublespace}

\end{acknowledgements}
